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Finding the Fourth Proportional to 633.24, 948.48 and 358.96

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Solution

The fourth proportional to 633.24, 948.48 and 358.96 is: 537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.24 : 948.48 = 358.96 : x
  2. Step 2: Convert to fraction form
    633.24/948.48 = 358.96/x
  3. Step 3: Cross multiply
    633.24x = 948.48 × 358.96
  4. Step 4: Simplify right side
    633.24x = 340,466.38
  5. Step 5: Solve for x
    x = 340,466.38/633.24
  6. Step 6: Final answer
    x = 537.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.